1105409938 has 32 divisors (see below), whose sum is σ = 1815524928. Its totient is φ = 502694400.

The previous prime is 1105409927. The next prime is 1105409939. The reversal of 1105409938 is 8399045011.

It is a super-2 number, since 2×1105409938² = 2443862262058327688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1105409938.

It is not an unprimeable number, because it can be changed into a prime (1105409939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145453 + ... + 152863.

It is an arithmetic number, because the mean of its divisors is an integer number (56735154).

Almost surely, 2^1105409938 is an apocalyptic number.

1105409938 is a deficient number, since it is larger than the sum of its proper divisors (710114990).

1105409938 is a wasteful number, since it uses less digits than its factorization.

1105409938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1105409938 is about 33247.7057554352. The cubic root of 1105409938 is about 1033.9696430772.

The spelling of 1105409938 in words is "one billion, one hundred five million, four hundred nine thousand, nine hundred thirty-eight".